<div class="modal-content">
    <div class="modal-header">
        <h3></h3>
        <span class="close">&times;</span>
    </div>
    <div class="modal-body">
        <form id="authorization-form">
            <input type="hidden" id="auth-id" name="id" value="">
            
            <div class="form-group">
                <label for="phone">手机号:</label>
                <input type="text" id="phone" name="phone" placeholder="请输入手机号" required>
                <div id="user-suggestions" class="suggestions"></div>
                <div class="user-tag">
                    <span style="margin-right: 8px;"></span>
                    <span class="close-tag" style="cursor: pointer; font-size: 12px; color: #999;">×</span>
                </div>
                <input type="hidden" id="user-id" name="userId">
            </div>
            
            <div class="form-group">
                <label for="stage-id">课程阶段:</label>
                <select id="stage-id" name="stageId" required>
                    <option value="">请选择阶段</option>
                </select>
            </div>
            
            <div class="form-row" style="display: flex; gap: 15px;">
                <div class="form-group" style="flex: 1;">
                    <label for="start-time">开始时间:</label>
                    <input type="date" id="start-time" name="startTime">
                </div>
                
                <div class="form-group" style="flex: 1;">
                    <label for="end-time">结束时间:</label>
                    <input type="date" id="end-time" name="endTime">
                </div>
            </div>
        </form>
    </div>
    <div class="modal-footer">
        <button type="button" class="btn" id="cancel-authorization">取消</button>
        <button type="submit" class="btn primary" form="authorization-form"></button>
    </div>
</div>